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make width of navigation area configurable (#155)

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this allows users to configure navigation width from config.h. it also
allows disabling the navigation function entirely by using a 0 width.

one extra functionality this adds is being able to define an absolute
width (in pixels) instead of just percentage via `NAV_IS_REL`.

Co-authored-by: NRK <nrk@disroot.org>
This commit is contained in:
LuXu
2021-11-04 12:20:28 +08:00
committed by GitHub
parent abf316a066
commit 36f42081d0
3 changed files with 22 additions and 6 deletions
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19
main.c
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@ -392,12 +392,23 @@ void update_info(void)
}
}
int ptr_third_x(void)
int nav_button(void)
{
int x, y;
int x, y, nw;
if (NAV_WIDTH == 0)
return 1;
win_cursor_pos(&win, &x, &y);
return MAX(0, MIN(2, (x / (win.w * 0.33))));
nw = NAV_IS_REL ? win.w * NAV_WIDTH / 100 : NAV_WIDTH;
nw = MIN(nw, (win.w + 1) / 2);
if (x < nw)
return 0;
else if (x < win.w-nw)
return 1;
else
return 2;
}
void redraw(void)
@ -431,7 +442,7 @@ void reset_cursor(void)
for (i = 0; i < ARRLEN(timeouts); i++) {
if (timeouts[i].handler == reset_cursor) {
if (timeouts[i].active) {
c = ptr_third_x();
c = nav_button();
c = MAX(fileidx > 0 ? 0 : 1, c);
c = MIN(fileidx + 1 < filecnt ? 2 : 1, c);
cursor = imgcursor[c];